//===----------------------------------------------------------------------===//
#include "llvm/Target/TargetMachine.h"
-#include "llvm/ADT/OwningPtr.h"
+#include "llvm/Analysis/Passes.h"
#include "llvm/CodeGen/AsmPrinter.h"
+#include "llvm/CodeGen/BasicTTIImpl.h"
#include "llvm/CodeGen/MachineFunctionAnalysis.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/IR/IRPrintingPasses.h"
+#include "llvm/IR/LegacyPassManager.h"
+#include "llvm/IR/Verifier.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSubtargetInfo.h"
-#include "llvm/PassManager.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/TargetRegistry.h"
-#include "llvm/Target/TargetInstrInfo.h"
-#include "llvm/Target/TargetLowering.h"
#include "llvm/Target/TargetLoweringObjectFile.h"
#include "llvm/Target/TargetOptions.h"
-#include "llvm/Target/TargetRegisterInfo.h"
-#include "llvm/Target/TargetSubtargetInfo.h"
#include "llvm/Transforms/Scalar.h"
using namespace llvm;
EnableFastISelOption("fast-isel", cl::Hidden,
cl::desc("Enable the \"fast\" instruction selector"));
-static cl::opt<bool> ShowMCEncoding("show-mc-encoding", cl::Hidden,
- cl::desc("Show encoding in .s output"));
-static cl::opt<bool> ShowMCInst("show-mc-inst", cl::Hidden,
- cl::desc("Show instruction structure in .s output"));
-
-static cl::opt<cl::boolOrDefault>
-AsmVerbose("asm-verbose", cl::desc("Add comments to directives."),
- cl::init(cl::BOU_UNSET));
-
-static cl::opt<bool>
-NoIntegratedAssembler("no-integrated-as", cl::Hidden,
- cl::desc("Disable integrated assembler"));
-
-static bool getVerboseAsm() {
- switch (AsmVerbose) {
- case cl::BOU_UNSET: return TargetMachine::getAsmVerbosityDefault();
- case cl::BOU_TRUE: return true;
- case cl::BOU_FALSE: return false;
- }
- llvm_unreachable("Invalid verbose asm state");
-}
-
void LLVMTargetMachine::initAsmInfo() {
- MCAsmInfo *TmpAsmInfo = TheTarget.createMCAsmInfo(*getRegisterInfo(),
- TargetTriple);
+ MRI = TheTarget.createMCRegInfo(getTargetTriple().str());
+ MII = TheTarget.createMCInstrInfo();
+ // FIXME: Having an MCSubtargetInfo on the target machine is a hack due
+ // to some backends having subtarget feature dependent module level
+ // code generation. This is similar to the hack in the AsmPrinter for
+ // module level assembly etc.
+ STI = TheTarget.createMCSubtargetInfo(getTargetTriple().str(), getTargetCPU(),
+ getTargetFeatureString());
+
+ MCAsmInfo *TmpAsmInfo =
+ TheTarget.createMCAsmInfo(*MRI, getTargetTriple().str());
// TargetSelect.h moved to a different directory between LLVM 2.9 and 3.0,
// and if the old one gets included then MCAsmInfo will be NULL and
// we'll crash later.
"Make sure you include the correct TargetSelect.h"
"and that InitializeAllTargetMCs() is being invoked!");
- if (NoIntegratedAssembler)
+ if (Options.DisableIntegratedAS)
TmpAsmInfo->setUseIntegratedAssembler(false);
+ if (Options.CompressDebugSections)
+ TmpAsmInfo->setCompressDebugSections(true);
+
AsmInfo = TmpAsmInfo;
}
-LLVMTargetMachine::LLVMTargetMachine(const Target &T, StringRef Triple,
- StringRef CPU, StringRef FS,
- TargetOptions Options,
+LLVMTargetMachine::LLVMTargetMachine(const Target &T,
+ StringRef DataLayoutString,
+ const Triple &TT, StringRef CPU,
+ StringRef FS, TargetOptions Options,
Reloc::Model RM, CodeModel::Model CM,
CodeGenOpt::Level OL)
- : TargetMachine(T, Triple, CPU, FS, Options) {
- CodeGenInfo = T.createMCCodeGenInfo(Triple, RM, CM, OL);
+ : TargetMachine(T, DataLayoutString, TT, CPU, FS, Options) {
+ CodeGenInfo = T.createMCCodeGenInfo(TT.str(), RM, CM, OL);
}
-void LLVMTargetMachine::addAnalysisPasses(PassManagerBase &PM) {
- PM.add(createBasicTargetTransformInfoPass(this));
+TargetIRAnalysis LLVMTargetMachine::getTargetIRAnalysis() {
+ return TargetIRAnalysis([this](Function &F) {
+ return TargetTransformInfo(BasicTTIImpl(this, F));
+ });
}
/// addPassesToX helper drives creation and initialization of TargetPassConfig.
-static MCContext *addPassesToGenerateCode(LLVMTargetMachine *TM,
- PassManagerBase &PM,
- bool DisableVerify,
- AnalysisID StartAfter,
- AnalysisID StopAfter) {
+static MCContext *
+addPassesToGenerateCode(LLVMTargetMachine *TM, PassManagerBase &PM,
+ bool DisableVerify, AnalysisID StartBefore,
+ AnalysisID StartAfter, AnalysisID StopAfter,
+ MachineFunctionInitializer *MFInitializer = nullptr) {
+
// Add internal analysis passes from the target machine.
- TM->addAnalysisPasses(PM);
+ PM.add(createTargetTransformInfoWrapperPass(TM->getTargetIRAnalysis()));
- // Targets may override createPassConfig to provide a target-specific sublass.
+ // Targets may override createPassConfig to provide a target-specific
+ // subclass.
TargetPassConfig *PassConfig = TM->createPassConfig(PM);
- PassConfig->setStartStopPasses(StartAfter, StopAfter);
+ PassConfig->setStartStopPasses(StartBefore, StartAfter, StopAfter);
// Set PassConfig options provided by TargetMachine.
PassConfig->setDisableVerify(DisableVerify);
// Install a MachineModuleInfo class, which is an immutable pass that holds
// all the per-module stuff we're generating, including MCContext.
- MachineModuleInfo *MMI =
- new MachineModuleInfo(*TM->getMCAsmInfo(), *TM->getRegisterInfo(),
- &TM->getTargetLowering()->getObjFileLowering());
+ MachineModuleInfo *MMI = new MachineModuleInfo(
+ *TM->getMCAsmInfo(), *TM->getMCRegisterInfo(), TM->getObjFileLowering());
PM.add(MMI);
// Set up a MachineFunction for the rest of CodeGen to work on.
- PM.add(new MachineFunctionAnalysis(*TM));
+ PM.add(new MachineFunctionAnalysis(*TM, MFInitializer));
// Enable FastISel with -fast, but allow that to be overridden.
if (EnableFastISelOption == cl::BOU_TRUE ||
// Ask the target for an isel.
if (PassConfig->addInstSelector())
- return NULL;
+ return nullptr;
PassConfig->addMachinePasses();
return &MMI->getContext();
}
-bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
- formatted_raw_ostream &Out,
- CodeGenFileType FileType,
- bool DisableVerify,
- AnalysisID StartAfter,
- AnalysisID StopAfter) {
+bool LLVMTargetMachine::addPassesToEmitFile(
+ PassManagerBase &PM, raw_pwrite_stream &Out, CodeGenFileType FileType,
+ bool DisableVerify, AnalysisID StartBefore, AnalysisID StartAfter,
+ AnalysisID StopAfter, MachineFunctionInitializer *MFInitializer) {
// Add common CodeGen passes.
- MCContext *Context = addPassesToGenerateCode(this, PM, DisableVerify,
- StartAfter, StopAfter);
+ MCContext *Context =
+ addPassesToGenerateCode(this, PM, DisableVerify, StartBefore, StartAfter,
+ StopAfter, MFInitializer);
if (!Context)
return true;
if (StopAfter) {
- // FIXME: The intent is that this should eventually write out a YAML file,
- // containing the LLVM IR, the machine-level IR (when stopping after a
- // machine-level pass), and whatever other information is needed to
- // deserialize the code and resume compilation. For now, just write the
- // LLVM IR.
- PM.add(createPrintModulePass(Out));
+ PM.add(createPrintMIRPass(outs()));
return false;
}
- if (hasMCSaveTempLabels())
+ if (Options.MCOptions.MCSaveTempLabels)
Context->setAllowTemporaryLabels(false);
+ const MCSubtargetInfo &STI = *getMCSubtargetInfo();
const MCAsmInfo &MAI = *getMCAsmInfo();
- const MCRegisterInfo &MRI = *getRegisterInfo();
- const MCInstrInfo &MII = *getInstrInfo();
- const MCSubtargetInfo &STI = getSubtarget<MCSubtargetInfo>();
- OwningPtr<MCStreamer> AsmStreamer;
+ const MCRegisterInfo &MRI = *getMCRegisterInfo();
+ const MCInstrInfo &MII = *getMCInstrInfo();
+
+ std::unique_ptr<MCStreamer> AsmStreamer;
switch (FileType) {
case CGFT_AssemblyFile: {
- MCInstPrinter *InstPrinter =
- getTarget().createMCInstPrinter(MAI.getAssemblerDialect(), MAI,
- MII, MRI, STI);
+ MCInstPrinter *InstPrinter = getTarget().createMCInstPrinter(
+ getTargetTriple(), MAI.getAssemblerDialect(), MAI, MII, MRI);
// Create a code emitter if asked to show the encoding.
- MCCodeEmitter *MCE = 0;
- if (ShowMCEncoding)
- MCE = getTarget().createMCCodeEmitter(MII, MRI, STI, *Context);
-
- MCAsmBackend *MAB = getTarget().createMCAsmBackend(MRI, getTargetTriple(),
- TargetCPU);
- MCStreamer *S = getTarget().createAsmStreamer(*Context, Out,
- getVerboseAsm(),
- hasMCUseCFI(),
- hasMCUseDwarfDirectory(),
- InstPrinter,
- MCE, MAB,
- ShowMCInst);
+ MCCodeEmitter *MCE = nullptr;
+ if (Options.MCOptions.ShowMCEncoding)
+ MCE = getTarget().createMCCodeEmitter(MII, MRI, *Context);
+
+ MCAsmBackend *MAB =
+ getTarget().createMCAsmBackend(MRI, getTargetTriple().str(), TargetCPU);
+ auto FOut = llvm::make_unique<formatted_raw_ostream>(Out);
+ MCStreamer *S = getTarget().createAsmStreamer(
+ *Context, std::move(FOut), Options.MCOptions.AsmVerbose,
+ Options.MCOptions.MCUseDwarfDirectory, InstPrinter, MCE, MAB,
+ Options.MCOptions.ShowMCInst);
AsmStreamer.reset(S);
break;
}
case CGFT_ObjectFile: {
// Create the code emitter for the target if it exists. If not, .o file
// emission fails.
- MCCodeEmitter *MCE = getTarget().createMCCodeEmitter(MII, MRI, STI,
- *Context);
- MCAsmBackend *MAB = getTarget().createMCAsmBackend(MRI, getTargetTriple(),
- TargetCPU);
- if (MCE == 0 || MAB == 0)
+ MCCodeEmitter *MCE = getTarget().createMCCodeEmitter(MII, MRI, *Context);
+ MCAsmBackend *MAB =
+ getTarget().createMCAsmBackend(MRI, getTargetTriple().str(), TargetCPU);
+ if (!MCE || !MAB)
return true;
+ // Don't waste memory on names of temp labels.
+ Context->setUseNamesOnTempLabels(false);
+
+ Triple T(getTargetTriple().str());
AsmStreamer.reset(getTarget().createMCObjectStreamer(
- getTargetTriple(), *Context, *MAB, Out, MCE, STI, hasMCRelaxAll(),
- hasMCNoExecStack()));
+ T, *Context, *MAB, Out, MCE, STI, Options.MCOptions.MCRelaxAll,
+ /*DWARFMustBeAtTheEnd*/ true));
break;
}
case CGFT_Null:
// The Null output is intended for use for performance analysis and testing,
// not real users.
- AsmStreamer.reset(createNullStreamer(*Context));
+ AsmStreamer.reset(getTarget().createNullStreamer(*Context));
break;
}
// Create the AsmPrinter, which takes ownership of AsmStreamer if successful.
- FunctionPass *Printer = getTarget().createAsmPrinter(*this, *AsmStreamer);
- if (Printer == 0)
+ FunctionPass *Printer =
+ getTarget().createAsmPrinter(*this, std::move(AsmStreamer));
+ if (!Printer)
return true;
- // If successful, createAsmPrinter took ownership of AsmStreamer.
- AsmStreamer.take();
-
PM.add(Printer);
return false;
}
-/// addPassesToEmitMachineCode - Add passes to the specified pass manager to
-/// get machine code emitted. This uses a JITCodeEmitter object to handle
-/// actually outputting the machine code and resolving things like the address
-/// of functions. This method should return true if machine code emission is
-/// not supported.
-///
-bool LLVMTargetMachine::addPassesToEmitMachineCode(PassManagerBase &PM,
- JITCodeEmitter &JCE,
- bool DisableVerify) {
- // Add common CodeGen passes.
- MCContext *Context = addPassesToGenerateCode(this, PM, DisableVerify, 0, 0);
- if (!Context)
- return true;
-
- addCodeEmitter(PM, JCE);
-
- return false; // success!
-}
-
/// addPassesToEmitMC - Add passes to the specified pass manager to get
/// machine code emitted with the MCJIT. This method returns true if machine
/// code is not supported. It fills the MCContext Ctx pointer which can be
/// used to build custom MCStreamer.
///
-bool LLVMTargetMachine::addPassesToEmitMC(PassManagerBase &PM,
- MCContext *&Ctx,
- raw_ostream &Out,
+bool LLVMTargetMachine::addPassesToEmitMC(PassManagerBase &PM, MCContext *&Ctx,
+ raw_pwrite_stream &Out,
bool DisableVerify) {
// Add common CodeGen passes.
- Ctx = addPassesToGenerateCode(this, PM, DisableVerify, 0, 0);
+ Ctx = addPassesToGenerateCode(this, PM, DisableVerify, nullptr, nullptr,
+ nullptr);
if (!Ctx)
return true;
- if (hasMCSaveTempLabels())
+ if (Options.MCOptions.MCSaveTempLabels)
Ctx->setAllowTemporaryLabels(false);
// Create the code emitter for the target if it exists. If not, .o file
// emission fails.
- const MCRegisterInfo &MRI = *getRegisterInfo();
- const MCSubtargetInfo &STI = getSubtarget<MCSubtargetInfo>();
- MCCodeEmitter *MCE = getTarget().createMCCodeEmitter(*getInstrInfo(), MRI,
- STI, *Ctx);
- MCAsmBackend *MAB = getTarget().createMCAsmBackend(MRI, getTargetTriple(),
- TargetCPU);
- if (MCE == 0 || MAB == 0)
+ const MCRegisterInfo &MRI = *getMCRegisterInfo();
+ MCCodeEmitter *MCE =
+ getTarget().createMCCodeEmitter(*getMCInstrInfo(), MRI, *Ctx);
+ MCAsmBackend *MAB =
+ getTarget().createMCAsmBackend(MRI, getTargetTriple().str(), TargetCPU);
+ if (!MCE || !MAB)
return true;
- OwningPtr<MCStreamer> AsmStreamer;
- AsmStreamer.reset(getTarget().createMCObjectStreamer(
- getTargetTriple(), *Ctx, *MAB, Out, MCE, STI, hasMCRelaxAll(),
- hasMCNoExecStack()));
+ const Triple &T = getTargetTriple();
+ const MCSubtargetInfo &STI = *getMCSubtargetInfo();
+ std::unique_ptr<MCStreamer> AsmStreamer(getTarget().createMCObjectStreamer(
+ T, *Ctx, *MAB, Out, MCE, STI, Options.MCOptions.MCRelaxAll,
+ /*DWARFMustBeAtTheEnd*/ true));
// Create the AsmPrinter, which takes ownership of AsmStreamer if successful.
- FunctionPass *Printer = getTarget().createAsmPrinter(*this, *AsmStreamer);
- if (Printer == 0)
+ FunctionPass *Printer =
+ getTarget().createAsmPrinter(*this, std::move(AsmStreamer));
+ if (!Printer)
return true;
- // If successful, createAsmPrinter took ownership of AsmStreamer.
- AsmStreamer.take();
-
PM.add(Printer);
return false; // success!
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